Home / 19,070.02-28,605.21-8,540.56

Finding the Fourth Proportional to 19,070.02, 28,605.21 and 8,540.56

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Solution

The fourth proportional to 19,070.02, 28,605.21 and 8,540.56 is: 12,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.02 : 28,605.21 = 8,540.56 : x
  2. Step 2: Convert to fraction form
    19,070.02/28,605.21 = 8,540.56/x
  3. Step 3: Cross multiply
    19,070.02x = 28,605.21 × 8,540.56
  4. Step 4: Simplify right side
    19,070.02x = 244,304,512.32
  5. Step 5: Solve for x
    x = 244,304,512.32/19,070.02
  6. Step 6: Final answer
    x = 12,810.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.